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Senior Backend Developer Jobs in Naperville, IL (NOW HIRING)

Paylocity

Senior Engineer Software, Backend

Schaumburg, IL · On-site

$120K - $159K/yr

The Senior Software Engineer leads technical initiatives and drives engineering excellence across ... NET / C# (preferred) or a comparable backend stack Company : Paylocity is an award-winning provider ...

Paylocity

Senior Engineer Software, Backend

Schaumburg, IL · On-site

$120K - $159K/yr

... focus on backend engineering * Strong experience building backend systems using .NET / C# (preferred) or a comparable backend stack, with the ability to contribute at a senior level * Deep ...

Five to Nine

Backend Rails Engineer (Remote)

Chicago, IL · On-site +1

We're looking for a Backend Rails Engineer who's passionate about transforming workplace programs ... Mid-range to Senior Experience of professional full-stack web development. * Solid understanding of ...

Integrated Resources INC

.NET Developer

Chicago, IL · On-site

$49.75 - $65.75/hr

Net back-end developer, with some front-end experience Needs WCF Able to confidently speak about ... Nagesh Sr.Technical Recruiter Integrated Resources, Inc. IT Life Sciences Allied Healthcare CRO ...

Humana

Senior Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

The Senior Software Engineer work assignments involve moderately complex to complex issues where ... back-end, mobile, cloud, and DevOps environments. * Minimum 5 years' experience in hands-on ...

Humana

Senior Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

The Senior Software Engineer work assignments involve moderately complex to complex issues where ... back-end, mobile, cloud, and DevOps environments. * Minimum 5 years' experience in hands-on ...

Humana

Senior Software Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

The Senior Software Engineer work assignments involve moderately complex to complex issues where ... back-end, mobile, cloud, and DevOps environments. * Minimum 5 years' experience in hands-on ...

Kunai

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

We are seeking a Senior Software Engineer to join a high-impact digital payments modernization ... You will work across scalable backend services, performance testing frameworks, and application ...

Prolaio

Senior API Integration Engineer

Chicago, IL · On-site

$126K - $166K/yr

The Overview We are seeking an experienced Sr. Integrations Engineer (Backend) to join our Integrations team . In this role, you will own the design, development, and maintenance of backend services ...

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Showing results 21-40

All JobsBackend Developer JobsSenior Backend Developer JobsSenior Backend Developer Jobs in Naperville, IL

Senior Backend Developer information

See Naperville, IL salary details

$63.9K

$139.6K

$190.2K

How much do senior backend developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior backend developer in Naperville, IL is $139,631.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,300.00 and $156,300.00 per year, depending on experience, location, and employer.

What does a senior backend developer do?

A Senior Backend Developer is responsible for designing, building, and maintaining the server-side logic of web applications. They work with databases, APIs, and server infrastructure to ensure that applications run smoothly, securely, and efficiently. In addition to writing robust code, they often mentor junior developers, contribute to architectural decisions, and collaborate with frontend teams to deliver seamless user experiences. Their expertise is crucial for scaling applications and implementing best practices in software development.

What is the difference between Senior Backend Developer vs Backend Developer?

AspectSenior Backend DeveloperBackend Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesign architecture, mentor juniors, optimize systemsImplement features, fix bugs, write code
Skills & CertificationsAdvanced coding, system design, relevant certificationsBasic coding, database knowledge
Work EnvironmentCollaborates with cross-functional teams, often in larger projectsFocuses on individual tasks within projects

The main difference between a Senior Backend Developer and a Backend Developer lies in experience, responsibilities, and leadership. Senior Backend Developers typically have more years of experience, take on complex system design, and mentor junior staff, whereas Backend Developers focus on implementing features and fixing bugs. Both roles are essential in backend development teams, but the senior role involves more strategic and leadership duties.

What are the key skills and qualifications needed to thrive as a senior backend developer, and why are they important?

To thrive as a Senior Backend Developer, you need advanced proficiency in server-side programming languages (such as Java, Python, or Node.js), deep understanding of API design, and experience with database management, often supported by a degree in computer science or related field. Familiarity with version control systems (like Git), cloud platforms (such as AWS or Azure), and relevant certifications in backend technologies are commonly required. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with cross-functional teams and mentor junior developers. These competencies ensure robust, scalable backend systems and drive successful project delivery in complex technical environments.

What are common challenges senior backend developers face when leading complex projects, and how can they address them?

Senior Backend Developers often encounter challenges such as integrating legacy systems with new technologies, ensuring scalability under increased load, and coordinating cross-functional teams for seamless feature delivery. Addressing these challenges typically involves proactive architectural planning, clear communication with frontend and DevOps teams, and adopting best practices like code reviews and automated testing. Staying updated on emerging technologies and fostering a culture of knowledge sharing within the team also help in overcoming technical obstacles and driving successful project outcomes.
What are the most commonly searched types of Backend Developer jobs in Naperville, IL? The most popular types of Backend Developer jobs in Naperville, IL are:
What are popular job titles related to Senior Backend Developer jobs in Naperville, IL? For Senior Backend Developer jobs in Naperville, IL, the most frequently searched job titles are:
What job categories do people searching Senior Backend Developer jobs in Naperville, IL look for? The top searched job categories for Senior Backend Developer jobs in Naperville, IL are:
What cities near Naperville, IL are hiring for Senior Backend Developer jobs? Cities near Naperville, IL with the most Senior Backend Developer job openings:
Senior Backend Developer jobs near you
Infographic showing various Senior Backend Developer job openings in Naperville, IL as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $139,631 per year, or $67.1 per hour.

Senior Engineer Software, Backend

Paylocity

Schaumburg, IL • On-site

$120K - $159K/yr

Full-time

Re-posted 14 days ago

Paylocity rating

7.8

Company rating: 7.8 out of 10

Based on 70 frontline employees who took The Breakroom Quiz

149th of 485 rated business services

Job description

Job Summary:
Paylocity is an award-winning provider of cloud-based HR and payroll software solutions. The Senior Software Engineer leads technical initiatives and drives engineering excellence across the organization, focusing on architecting scalable solutions while mentoring the engineering team.
Responsibilities:
• Design and implement modular, maintainable software solutions that optimize for performance and scalability
• Lead feature and epic design discussions, gathering and incorporating feedback from cross-functional teams
• Drive technical decision-making with consideration for business objectives and customer needs
• Identify and resolve technical ambiguities through systematic analysis and collaboration
• Own medium to large-scale projects from conception to delivery, requiring minimal supervision
• Coordinate across teams to identify and manage technical dependencies
• Develop and execute comprehensive project plans aligned with business objectives
• Maintain high-quality standards while meeting project timelines
• Champion best practices in software development, testing, and deployment
• Improve CI/CD pipelines, testing frameworks, and monitoring systems
• Provide detailed, actionable code reviews that enhance overall code quality
• Drive technical debt reduction initiatives and refactor legacy code
• Guide junior engineers in adopting best practices and modern development techniques
• Facilitate knowledge sharing through code reviews, pair programming, and technical discussions
• Resolve conflicts independently when possible, escalating appropriately when needed
• Influence technical direction through well-reasoned arguments and demonstrated expertise
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or related field
• Minimum 5 years of software engineering experience
• Proven track record of leading significant technical initiatives
• Excellent written and verbal communication skills
• Strong analytical and problem-solving abilities
• Collaborative mindset with ability to influence peers
• Adaptable approach to changing requirements and priorities
• 5+ years of hands-on professional experience in software development, with a strong focus on backend engineering
• Deep understanding of modern API standards and backend system design (REST, authentication, authorization, versioning, scalability)
• Experience designing and operating systems backed by PostgreSQL, MongoDB, or other databases
• Deep understanding of system architecture principles
Preferred:
• Strong experience building backend systems using .NET / C# (preferred) or a comparable backend stack
Company:
Paylocity is an award-winning provider of HR, Finance, and IT software solutions. Founded in 1997, the company is headquartered in Schaumburg, USA, with a team of 5001-10000 employees. The company is currently Late Stage.

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